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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef S3O_PARSER_H
#define S3O_PARSER_H
#include "3DModel.h"
#include "IModelParser.h"
#include "System/type2.h"
#include <map>
enum {
S3O_PRIMTYPE_TRIANGLES = 0,
S3O_PRIMTYPE_TRIANGLE_STRIP = 1,
S3O_PRIMTYPE_QUADS = 2,
};
typedef SVertexData SS3OVertex;
struct SS3OPiece: public S3DModelPiece {
SS3OPiece(): primType(S3O_PRIMTYPE_TRIANGLES) {
}
public:
void UploadGeometryVBOs() override;
void DrawForList() const override;
unsigned int GetVertexDrawIndexCount() const override { return indices.size(); }
unsigned int GetVertexCount() const override { return vertices.size(); }
const float3& GetVertexPos(const int idx) const override { return vertices[idx].pos; }
const float3& GetNormal(const int idx) const override { return vertices[idx].normal; }
const std::vector<unsigned>& GetVertexIndices() const override { return indices; }
void BindVertexAttribVBOs() const override;
void UnbindVertexAttribVBOs() const override;
public:
void SetVertexCount(unsigned int n) { vertices.resize(n); }
void SetIndexCount(unsigned int n) { indices.resize(n); }
void SetVertex(int idx, const SS3OVertex& v) { vertices[idx] = v; }
void SetIndex(int idx, const unsigned int drawIdx) { indices[idx] = drawIdx; }
void Trianglize();
void SetMinMaxExtends();
void SetVertexTangents();
public:
int primType;
std::vector<SS3OVertex> vertices;
std::vector<unsigned int> indices;
};
class CS3OParser: public IModelParser
{
public:
S3DModel* Load(const std::string& name);
private:
SS3OPiece* LoadPiece(S3DModel*, SS3OPiece*, unsigned char* buf, int offset);
};
#endif /* S3O_PARSER_H */
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